Hourly Weather Forecast - Harwinton, CT

7:15 AM
8 AM
28°F
0%
7mph
NW
Mostly Sunny
Humidity
64%
Feels like
21°F
Dew Point
18°F
9 AM
30°F
0%
6mph
NW
Sunny
Humidity
60%
Feels like
24°F
Dew Point
18°F
10 AM
33°F
0%
6mph
WNW
Sunny
Humidity
56%
Feels like
27°F
Dew Point
19°F
11 AM
34°F
0%
5mph
W
Partly Cloudy
Humidity
53%
Feels like
29°F
Dew Point
19°F
12 PM
35°F
0%
4mph
WSW
Partly Cloudy
Humidity
51%
Feels like
32°F
Dew Point
19°F
1 PM
35°F
0%
4mph
SW
Partly Cloudy
Humidity
50%
Feels like
32°F
Dew Point
19°F
2 PM
35°F
0%
5mph
SSW
Partly Cloudy
Humidity
51%
Feels like
31°F
Dew Point
19°F
3 PM
34°F
0%
6mph
SSW
Partly Cloudy
Humidity
53%
Feels like
29°F
Dew Point
19°F
4 PM
33°F
0%
6mph
SSW
Mostly Cloudy
Humidity
57%
Feels like
27°F
Dew Point
19°F
4:24 PM
5 PM
31°F
0%
6mph
SSW
Partly Cloudy
Humidity
60%
Feels like
25°F
Dew Point
19°F
6 PM
30°F
0%
6mph
S
Partly Cloudy
Humidity
63%
Feels like
24°F
Dew Point
19°F
7 PM
29°F
0%
7mph
S
Mostly Cloudy
Humidity
65%
Feels like
23°F
Dew Point
19°F
8 PM
29°F
0%
7mph
S
Partly Cloudy
Humidity
65%
Feels like
22°F
Dew Point
19°F
9 PM
30°F
0%
7mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
20°F
10 PM
30°F
0%
7mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
20°F
11 PM
30°F
0%
8mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
22°F
Dew Point
20°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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